Ordering Information
A2 Switches Description
Part Number
A2H254-16 A2 with (8) 10/100 RJ45 ports, (8) 100Base-FX MTRJ ports, (2) mini-GBIC ports, and (2) 10/100/1000 stacking/
uplink RJ45 ports. 
Total active ports per switch: all 20 ports.
A2H123-24 A2 with (24) 10/100 RJ45 ports, (2) 100Base-FX ports, and (2) 10/100/1000 stacking/uplink  
RJ45 ports. 
Total active ports per switch: all 28 ports.
A2H124-24FX A2 with (24) 100Base-FX MTRJ ports, (2) mini-GBIC ports, and (2) 10/100/1000 stacking/uplink RJ45 ports. 
Total active ports per switch: all 28 ports.
A2H124-24 A2 with (24) 10/100 RJ45 ports, (2) mini-GBIC ports, and (2) 10/100/1000 stacking/uplink RJ45 ports. 
Total active ports per switch: all 28 ports.
A2H124-24P A2 with (24) 10/100 PoE RJ45 ports, (2) mini-GBIC ports, and (2) 10/100/1000 stacking/uplink RJ45 ports. 
Total active ports per switch: all 28 ports.
A2H124-48 A2 with (48) 10/100 RJ45 ports, (2) mini-GBIC ports, and (2) 10/100/1000 stacking/uplink RJ45 ports. 
Total active ports per switch: all 52 ports.
A2H124-48P A2 with (48) 10/100 PoE RJ45 ports, (2) mini-GBIC ports, and (2) 10/100/1000 stacking/uplink RJ45 ports. 
Total active ports per switch: all 52 ports.
Cables
SSCON-CAB Console Cable (for use on all A2, B2, B3, C2, and C3 switches)
Redundant Power Supply Equipment
C2RPS-CHAS2 2-slot RPS chassis (supports up to 2 C2RPS-PSMs)
C2RPS-CHAS8 8-slot RPS chassis (supports up to 8 C2RPS-PSMs)
C2RPS-PSM 150-watt redundant Non-PoE power supply with one DC cable
C2RPS-SYS 8-slot RPS chassis plus 1 C2RPS-PSM (chassis supports up to 8 C2RPS-PSMs)
C2RPS-POE 500-watt redundant PoE power supply with one DC cable
Page 7
Transceivers
Enterasys transceivers provide connectivity options for Ethernet over 
twisted pair copper and fiber optic cables with transmission speeds 
from 100 Megabits per second to 10 Gigabits per second. All Enterasys 
transceivers meet the highest quality for extended life cycle and the best 
possible return on investment. For detailed specifications, compatibility 
and ordering information please go to: http://www.enterasys.com/products/
transceivers-ds.pdf